ORPHA: 2073; DO: 8986;
Cytogenetic location: 4p13-q21 Genomic coordinates (GRCh38) : 4:41,200,001-87,100,000
Location | Phenotype |
Phenotype MIM number |
Inheritance |
Phenotype mapping key |
---|---|---|---|---|
4p13-q21 | Narcolepsy 2 | 605841 | 2 |
For a phenotypic description and a discussion of genetic heterogeneity of narcolepsy, see 161400.
In a genomewide linkage search for narcolepsy in 8 Japanese families with 21 DR2-positive patients (14 narcoleptic cases with cataplexy and 7 with an incomplete form of narcolepsy), Nakayama et al. (2000) found a lod score of 3.09 at marker D4S2987 in the 4p13-q21 region.
Nakayama, J., Miura, M., Honda, M., Miki, T., Honda, Y., Arinami, T. Linkage of human narcolepsy with HLA association to chromosome 4p13-q21. Genomics 65: 84-86, 2000. [PubMed: 10777671] [Full Text: https://doi.org/10.1006/geno.2000.6143]